Surface acoustic wave device including IDT electrode having soli

Details Surface acoustic wave device including IDT electrode having soli Surface acoustic wave device including IDT electrode having soli

1996-04-03

1998-11-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313B, H01L 4108

Patent

active

058380914

ABSTRACT:
A surface acoustic wave device achieving improved insertion loss and fraction defective without lowering the TTE level includes an IDT electrode located on a piezoelectric substrate. The IDT electrode includes a solid electrode portion and a split electrode portion continuously formed at an end of the solid electrode portion in the propagating direction of a surface acoustic wave and having an electrode finger width of about .lambda./8 wherein .lambda. is the wavelength of the surface acoustic wave.

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patent: 5073763 (1991-12-01), Wright

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